Home / 132,048.20-197,999.40-53,073.20

Finding the Fourth Proportional to 132,048.20, 197,999.40 and 53,073.20

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Solution

The fourth proportional to 132,048.20, 197,999.40 and 53,073.20 is: 79,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,048.20 : 197,999.40 = 53,073.20 : x
  2. Step 2: Convert to fraction form
    132,048.20/197,999.40 = 53,073.20/x
  3. Step 3: Cross multiply
    132,048.20x = 197,999.40 × 53,073.20
  4. Step 4: Simplify right side
    132,048.20x = 10,508,461,756.08
  5. Step 5: Solve for x
    x = 10,508,461,756.08/132,048.20
  6. Step 6: Final answer
    x = 79,580.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.